منابع مشابه
Contour Detection of Human Knee
Medical images (X-ray, CT, MR or PET) of human organs are widely used in the everyday clinical praxis. The paper presents methods which allows the user to analyze, model and adjust the total knee contour detection procedure during a preoperative planning which eliminating the need of using expensive and sophisticated commercial software tools, which procedures are not familiar to the natural us...
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Iron is essential to erythrocyte oxygen transport and is a catalyst for oxidative metabolism in all cells. Iron is absorbed by the duodenum and requires an acidic environment for optimal absorption. Iron is found for 70% in erythrocytes, and 30% in storage, and a small amount in myoglobin and cytochromes. Iron supplementation reduces anemia in breastfed infants and increases in significant dose...
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Vitamin A is the generic name given to a group of fat-soluble compounds including retinol (the alcohol form), retinyl esters, retinaldehyde and retinol acid. Deficiency, first recognized in 1912, can damage the epithelial cells lining the respiratory tract. It can also affect immunocompetence, the reproductive function, growth and vision. The dose of vitamin A for neonates is 5,000 IU given int...
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Vitamin E (alpha-tocopherol) is a potent and natural antioxidant. Vitamin E is concentrated from soybean oil. The Committee on Fetus and Newborn of the Academy of the American of Pediatrics endorsed 1 to 2 mg/dl as the normal range of serum tocopherol level. Human infants are born with low stores of vitamin E, thus they require an adequate intake of vitamin E soon after birth. The optimum intra...
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Vitamin B12 (cobalamin) is an essential coenzyme for nucleic acid synthesis. Animal protein is the major dietary source of vitamin B12. Deficiency of vitamin B12 leads to megaloblastic anemia, degeneration of the brain, spinal cord, peripheral nerves, and abnormalities of epithelial tissues. Two factors are necessary for the cure of megaloblastic anemia: one in food (extrinsic factor) and one i...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2010
ISSN: 1534-7362
DOI: 10.1167/6.6.328